Term
|
Definition
| the disintegration and decomposition of Earth materials, especially rock |
|
|
Term
|
Definition
the mineral or organic matter from which a soil forms
affects the type and amounts of nutrients available to plants and the PH, texture, and structure of the soil |
|
|
Term
|
Definition
weathered rock fragments
formed by the disintegration and or decomposition of bedrock |
|
|
Term
|
Definition
| nearly horizontal soil later, distinguishable on the basis of color, texture, and chemical composition |
|
|
Term
|
Definition
| process by which organic matter and minerals are washed out of a soil horizon |
|
|
Term
|
Definition
| leaching which involves colloids and ions |
|
|
Term
|
Definition
the horizon accumulating materials
the A horizon |
|
|
Term
|
Definition
| the process of accumulation or deposition of ions and colloids in a soil |
|
|
Term
|
Definition
the horizon accumulating materials
the B horizon |
|
|
Term
|
Definition
the uppermost layer of soil
characterized by a high organic content
the organic layer of the soil |
|
|
Term
|
Definition
lower layer of soil
transitional to the parent material
usually a deposit, but may also be regolith
the C horizon |
|
|
Term
|
Definition
| the sequence of horizons, from top to bottom, of a soil |
|
|
Term
|
Definition
| has one or more of O, A, and B horizons |
|
|
Term
|
Definition
the total volume of pore space in a given volume of rock or soil
given as a percentage |
|
|
Term
|
Definition
| the rate at which soil or rock transmits groundwater |
|
|
